Home / 19,964.88-27,558.36-11,588.40

Finding the Fourth Proportional to 19,964.88, 27,558.36 and 11,588.40

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Solution

The fourth proportional to 19,964.88, 27,558.36 and 11,588.40 is: 15,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.88 : 27,558.36 = 11,588.40 : x
  2. Step 2: Convert to fraction form
    19,964.88/27,558.36 = 11,588.40/x
  3. Step 3: Cross multiply
    19,964.88x = 27,558.36 × 11,588.40
  4. Step 4: Simplify right side
    19,964.88x = 319,357,299.02
  5. Step 5: Solve for x
    x = 319,357,299.02/19,964.88
  6. Step 6: Final answer
    x = 15,995.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.